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Lost Boulders Climbing

Last Updated: Aug, 2026
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Boulders
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ABOUT Lost Boulders

This digital Lost Boulders climbing guidebook gives you GPS navigation, verified topos, and beta for hundreds of climbs. Explore classics and hidden gems with offline access to maps, directions, and beta videos. Whether it's your first visit or fiftieth, KAYA makes your Lost Boulders days smoother, safer, and more dialed.
This digital Lost Boulders climbing guidebook gives you GPS navigation, verified topos, and beta for hundreds of climbs. Explore classics and hidden gems with offline access to maps, directions, and beta videos. Whether it's your first visit or fiftieth, KAYA makes your Lost Boulders days smoother, safer, and more dialed.

OFFLINE MAPS + APPROACH

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Recent Ascents in Lost Boulders

KAYA CLIMBER
CLIMB
DETAILS
DATE
YORSHI LANDIN
@Yorshi_Landin
The Diamond v8
(v8, Solid)
1.29.2026
BEN AGRO
@Bagro
The Shadow Warrior v12
First climb in the valley, a nice introduction.
★ 5(v12, Solid)
11.28.2025
Private User
---
The Diamond v8
★ 5(v8, Solid)
4.21.2025
SAMUEL EATON
@chaosfridge
The Diamond v8
★ 5(v8, Solid)
3.1.2025
Private User
---
The Diamond v8
★ 5(v8, Solid)
12.9.2024
WEATHER
SEASON CHART
APPROACH
Forecast for Lost Boulders
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Areas in Yosemite Valley

Explore Yosemite Valley from all levels with KAYA PRO. Drill down to the area, subarea, boulder and climb levels. Get approach information for each, and a variety of beta.
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Bouldering
Ahwahnee
Bridaveil Falls
Camp 4
Cathedral
Chapel
Curry Village
El Cap Boulders
Gunsight
Happy Isles
Highway 140
Lost Boulders
Lower Northside
Lower Yosemite Falls
North Valley Trail
Presidential
Sentinel
The Garden
Upper Valley
Routes
Sentinel

Official Destinations in KAYA

Squamish
Red Rock
Joshua Tree
Bishop
Hueco Tanks
Joe's Valley
Clear Creek Canyon
Victoria
Ogden
Lincoln Lake
Guanella Pass
Lake Tahoe
Little Cottonwood Canyon
New River Gorge
Coopers Rock
Smith Rock
Black Mountain
Leavenworth
Kelowna
Hatcher Pass
Devil's Lake
Poudre Canyon
Tramway
Vedauwoo
Rocky Mountain National Park
Lake Ramona
Horseshoe Canyon Ranch
Vancouver
Ibex
Stone Fort
Mount Woodson
Canmore & Kananaskis
Red Feather Lakes
Big Cottonwood Canyon
Flagstaff Mountain, CO
Moore's Wall
Rumbling Bald
Nanaimo
Fraser Valley
Reimer's Ranch
Calabogie
Tulsa, OK
Mineral King
Rocktown
Stoney Point
Cedar City
Horse Pens 40
Malibu
Santa Barbara
Vernon
Comox Lake
Doyle
New York City
Moe's Valley
Gold Bar
The Nooks
Uintas
Adirondacks
Eldorado Canyon
Stevens Pass
Gunpowder Falls
Holy Boulders
Massacre Rocks
Boat Rock
Reynolds Creek
Triassic
Box Springs Mountain Reserve
Needle Peak
Horse Flats
Utah Hills
Miller River
Taylors Falls
Mt. Blue Sky
Smugglers' Notch
Sandstone
Yankee Jim
Rock Shop
Mount Rubidoux
Berkeley
Index
North Bend
Castle Rock State Park
Purgatory
Dixon School Road
Sam's Throne
Patapsco Valley State Park
Porcupine Hills
Barton Creek Greenbelt
Cowell
Price Canyon
Cache Valley
Carver
Catoctin Mountain
Northwest Branch
Tieton River
Great Falls
Grand Ledge
Rogers Park
Big Rock, SC
The Citadel